<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tool
 * @subpackage Framework
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Resource.php 18951 2009-11-12 16:26:19Z alexander $
 */

/**
 * @see Zend_Tool_Project_Profile_Resource_Container
 */
require_once 'Zend/Tool/Project/Profile/Resource/Container.php';

/**
 * @see Zend_Tool_Project_Context_Repository
 */
require_once 'Zend/Tool/Project/Context/Repository.php';

/**
 * This class is an iterator that will iterate only over enabled resources
 *
 * @category   Zend
 * @package    Zend_Tool
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Tool_Project_Profile_Resource extends Zend_Tool_Project_Profile_Resource_Container
{

	/**
	 * @var Zend_Tool_Project_Profile
	 */
	protected $_profile = null;

	/**
	 * @var Zend_Tool_Project_Profile_Resource
	 */
	protected $_parentResource = null;

	/**#@+
	 * @var bool
	 */
	protected $_deleted = false;
	protected $_enabled = true;
	/**#@-*/

	/**
	 * @var Zend_Tool_Project_Context|string
	 */
	protected $_context = null;

	/**
	 * @var array
	 */
	protected $_attributes = array();

	/**
	 * @var bool
	 */
	protected $_isContextInitialized = false;

	/**
	 * __construct()
	 *
	 * @param string|Zend_Tool_Project_Context_Interface $context
	 */
	public function __construct($context)
	{
		$this->setContext($context);
	}

	/**
	 * setContext()
	 *
	 * @param string|Zend_Tool_Project_Context_Interface $context
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function setContext($context)
	{
		$this->_context = $context;
		return $this;
	}

	/**
	 * getContext()
	 *
	 * @return Zend_Tool_Project_Context_Interface
	 */
	public function getContext()
	{
		return $this->_context;
	}

	/**
	 * getName() - Get the resource name
	 *
	 * Name is derived from the context name
	 *
	 * @return string
	 */
	public function getName()
	{
		if (is_string($this->_context)) {
			return $this->_context;
		} elseif ($this->_context instanceof Zend_Tool_Project_Context_Interface) {
			return $this->_context->getName();
		} else {
			throw new Zend_Tool_Project_Exception('Invalid context in resource');
		}
	}

	/**
	 * setProfile()
	 *
	 * @param Zend_Tool_Project_Profile $profile
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function setProfile(Zend_Tool_Project_Profile $profile)
	{
		$this->_profile = $profile;
		return $this;
	}

	/**
	 * getProfile
	 *
	 * @return Zend_Tool_Project_Profile
	 */
	public function getProfile()
	{
		return $this->_profile;
	}

	/**
	 * getPersistentAttributes()
	 *
	 * @return array
	 */
	public function getPersistentAttributes()
	{
		if (method_exists($this->_context, 'getPersistentAttributes')) {
			return $this->_context->getPersistentAttributes();
		}

		return array();
	}

	/**
	 * setEnabled()
	 *
	 * @param bool $enabled
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function setEnabled($enabled = true)
	{
		// convert fuzzy types to bool
		$this->_enabled = (!in_array($enabled, array('false', 'disabled', 0, -1, false), true)) ? true : false;
		return $this;
	}

	/**
	 * isEnabled()
	 *
	 * @return bool
	 */
	public function isEnabled()
	{
		return $this->_enabled;
	}

	/**
	 * setDeleted()
	 *
	 * @param bool $deleted
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function setDeleted($deleted = true)
	{
		$this->_deleted = (bool) $deleted;
		return $this;
	}

	/**
	 * isDeleted()
	 *
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function isDeleted()
	{
		return $this->_deleted;
	}

	/**
	 * initializeContext()
	 *
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function initializeContext()
	{
		if ($this->_isContextInitialized) {
			return;
		}
		if (is_string($this->_context)) {
			$this->_context = Zend_Tool_Project_Context_Repository::getInstance()->getContext($this->_context);
		}

		if (method_exists($this->_context, 'setResource')) {
			$this->_context->setResource($this);
		}

		if (method_exists($this->_context, 'init')) {
			$this->_context->init();
		}

		$this->_isContextInitialized = true;
		return $this;
	}

	/**
	 * __toString()
	 *
	 * @return string
	 */
	public function __toString()
	{
		return $this->_context->getName();
	}

	/**
	 * __call()
	 *
	 * @param string $method
	 * @param array $arguments
	 * @return Zend_Tool_Project_Profile_Resource
	 */
	public function __call($method, $arguments)
	{
		if (method_exists($this->_context, $method)) {
			if (!$this->isEnabled()) {
				$this->setEnabled(true);
			}
			return call_user_func_array(array($this->_context, $method), $arguments);
		} else {
			throw new Zend_Tool_Project_Profile_Exception('cannot call ' . $method);
		}
	}

}